little things

2026 photo

hi

i'm philip. i'm a mathematician.

omar

hire my student omar, he'll bring a great attitude and energy with him. my friend justin and i advise him together.

math

lately i think about higher segal spaces and also partial groups and also how they interact. i wrote an intro paper about decomposition spaces, and a paper about interactions. here are a few others.
higher segal: coskeltal, culf maps, free decomp
partial groups: enumeration, embeddability, binary, dimension, symmetric sets

blog

here is a post i wrote about edgewise subdivision and another one about spheres.

i think this pdf i wrote about the small object argument a few years ago is pretty

this summer i helped organize ct with emily and maru and nick and angélica and also my friend marcy and i organized a fun workshop in australia

long boring list

things i might need to remember

tim tooth

several years ago i created a version of tim tooth for the playdate. this is a puzzle game about brushing your teeth, and you can use the crank on the playdate to operate the toothbrush. the original is a mini-game in the wonderful adventure game tux and fanny

contact

my email address here is just philip, at work it's hackney
you may also find me in my office maxim doucet 204a